Inhaltsverzeichnis
Werbung
ERROR MESSAGES
For a certain type of failure, the controller will self-
diagnose the error and the messages described in the
following table are displayed.
MESSAGE
CHECK CONNECTION TO
PUMP
PUMP WAITING
INTERLOCK
FAULT: PUMP OVERTEMP.
FAULT: CONTROLLER
OVERTEMPERATURE
FAULT: TOO HIGH L0AD
FAULT: SHORT CIRCUIT
OVERVOLTAGE
FLOW METER ALARM
DESCRIPTION
Wrong connection between the pump
and the controller.
The interlock signal of P1 connector is
activated by an interruption of the link
between pin 3 and 8 of J1 connector, or
because the external interlock signal is
open.
The pump upper bearing temperature
exceeded 60 °C.
The controller transformer temperature
exceeded 90 °C.
In normal operation, the current drawn
by the pump is higher than programmed
(3 A)
In normal operation (after the starting
phase) the output connection is shorted
(output
current
6 A).
A failure has occurred in the controller
power supply section, or the controller
has received a spurious signal.
Alarm relating to the purge flow. The flow
value remained at less than the set
threshold for 10 seconds or more.
Check connection between controller and
pump.
Press the START push-button twice to start
the pump.
Reset the short circuit between pin 3 and
pin 8 of J1 connector, or close the external
interlock signal.
Wait until the temperature decrease below
threshold value.
Press
to start the pump.
Wait until the temperature decrease below
threshold
Press the START push-button twice
start the pump.
Check that the pump rotor is free to rotate.
Press the START push-button twice to start
the pump.
Check connections and shortages between
pump and controller. Press the START
higher
than
push-button twice to start the pump.
Press the START button twice to start the
pump again. If the message is redisplayed,
contact Varian for maintenance.
Check the correct operation of the gas
supply circuit.
68
INSTRUCTIONS FOR USE
REPAIR ACTION
the
START
push-button
87-900-902-01 (L)
twice
value.
to
Werbung
Inhaltsverzeichnis
